sculpt_manager: bump editor default quota for large fonts and 4k

When trying to open a file in the Files view with font size set to
Large on 4k screens, the editor's / `text_area`'s `view` child fails to
bump its RAM quota when the editor's default quota is too small.

To mitigate the issue, bump the editor's default quota to 80MiB.
The long-term fix would be for the editor to request more RAM from the
runtime to satisfy the `view` RAM request.

Issue #5356
Issue #5383

repos/gems/src/app/sculpt_manager/main.cc

@@ -1488,7 +1488,7 @@ struct Sculpt::Main : Input_event_handler,
 				Start_name const start_name("editor");
 				_file_browser_state.text_area.construct(_child_states, start_name,
 				                                        Priority::LEITZENTRALE,
-				                                        Ram_quota{32*1024*1024}, Cap_quota{350});
+				                                        Ram_quota{80*1024*1024}, Cap_quota{350});
 			}
 		}